{"product_id":"riga-3-polycarbonate-greenhouse-kit-102-sq-ft-exaco-riga-large-series","title":"Riga 3 Greenhouse | 102 sq. ft.| Hoklartherm","description":"\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eEvery Riga 3 ships as a complete kit:\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eAll polycarbonate panels (8mm sides, 10mm gable ends)\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eComplete aluminum frame with all extrusions and connectors\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eBarn-style hinged door with key lock (30\" W x 79\" H)\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e1 roof ventilation window with automatic opener\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e1 large rear wall window\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eHeavy-duty rubber seals throughout\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eAll hardware and fasteners\u003c\/li\u003e\n\u003cli style=\"mso-list: l3 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eDetailed assembly guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eShips in 3 boxes. Free curbside delivery to the lower 48. The carrier will call to schedule your delivery appointment.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eWhy Buy from South Table Sheds\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eWe're an authorized Exaco dealer based in Golden, Colorado, with 17 years of experience assembling and selling outdoor structures. When you buy from us, you're not just dealing with an online store, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003eyou're working with people who've assembled these greenhouses, know how they perform through Colorado winters, and are available to answer real questions before and after your purchase.\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eFree shipping to the continental US\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eSecure checkout with Shop Pay installments available\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eAuthorized Exaco retailer, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003epurchase fully protected\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eProfessional assembly available across the Denver metro\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eCall us directly: 720-656-7313\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eThe Riga 3 — Durable, Long-Term\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Riga 3 polycarbonate greenhouse kit is designed for gardeners who want a durable, long-term greenhouse built for challenging climates.\u003c\/p\u003e\n\u003cp\u003eWith insulated 10mm twin-wall polycarbonate panels, a reinforced aluminum frame, and excellent snow and hail resistance, the Exaco Riga 3 greenhouse performs far better than many lightweight seasonal greenhouse kits.\u003c\/p\u003e\n\u003cp\u003eThe Riga 3 offers 102 square feet of growing space for raised beds, shelving, seed starting, and year-round gardening while still fitting comfortably in most backyards.\u003c\/p\u003e\n\u003cp\u003ePopular with Colorado gardeners and growers in harsh weather climates, this greenhouse is built for serious growing and long-term durability.\u003c\/p\u003e\n\u003cp\u003eThis is the greenhouse most home gardeners end up wishing they'd started with.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eDenver Area? Add Professional Assembly\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eSouth Table Sheds has been building and assembling outdoor structures across Colorado since 2008. If you'd rather spend your time growing than reading instruction manuals, we'll handle the entire assembly \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003efrom site prep through final inspection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003ca href=\"https:\/\/southtablesheds.com\/pages\/greenhouse-assembly-in-denver-co-professional\"\u003eGet a free assembly quote →\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAssembly available throughout the Denver metro, Golden, Boulder, Lakewood, Arvada, Littleton, Centennial, Aurora, and surrounding Front Range communities.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eRiga 3 vs. Riga 3s — What's the Difference?\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eThis is the most common question we get about the Riga line. Both are 10'6\" long and built with the same German engineering. The difference is width and height:\u003c\/p\u003e\n\u003ctable style=\"mso-cellspacing: 1.5pt; mso-yfti-tbllook: 1184;\" cellpadding=\"0\" cellspacing=\"3\" border=\"0\" class=\"MsoNormalTable\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRiga 3s\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRiga 3\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"mso-yfti-irow: 1;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eWidth\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e7'8\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e9'8\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 2;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eLength\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e10'6\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e10'6\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 3;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003ePeak Height\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e7'1\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e7'7\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 4;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eGrowing Area\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e81 sq. ft.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e102 sq. ft.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 5;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eDoor Height\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e72\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e79\"\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 6;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eSide Wall Glazing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e8mm twin-wall\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e8mm twin-wall\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 7;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eGable End Glazing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e10mm twin-wall\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e10mm twin-wall\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 8; mso-yfti-lastrow: yes;\"\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003ePrice\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e$6,599\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: .75pt .75pt .75pt .75pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e$6,899\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Riga 3 costs $300 more and gives you 21 additional square feet, a wider interior, and a taller door. For most gardeners with the yard space, the 3 is the better long-term investment.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eWhy the Riga 3 Outperforms Every Other Greenhouse in Its Class\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e8mm + 10mm Twin-Wall Polycarbonate — Not All Panels Are Equal\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Riga 3 uses 8mm twin-wall polycarbonate on the side walls and 10mm panels on the gable ends. Most competing greenhouses use uniform 4–6mm single-wall panels throughout. The difference in heat retention, hail resistance, and UV protection is significant, especially at Colorado's elevation where UV intensity is considerably higher than at sea level.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003eAerodynamic Curved Roof — Engineered for Snow Country\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eThe distinctive bell-shaped curved roof isn't just a design choice, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003eit's engineering. Snow slides off rather than accumulating into dangerous loads. Wind rolls over rather than pushing against flat surfaces. This matters everywhere, but especially on the Front Range where March can deliver 2 feet of wet spring snow overnight.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003eAutomatic Roof Ventilation — No Babysitting Required\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Riga 3 includes one automatic roof vent opener that responds to temperature, not a timer or app. No electricity required. Combined with the large rear wall window and the Dutch barn-style door with its 79\" clearance, cross-ventilation is excellent even during Colorado's intense summer sun.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003eTaller Dutch Door — A Real Quality-of-Life Upgrade\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Riga 3's door stands 79\" tall, which is seven inches taller than the S series door. If you've ever had to duck slightly when entering a greenhouse, you'll appreciate this immediately. It also means moving larger plants in and out without the awkward maneuvering.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e13-Gauge Aluminum Frame — Built to Last Decades\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eEvery extrusion is substantial anodized aluminum, not the thin-wall tubing found in budget structures. Hoklartherm backs the frame with a 15-year warranty. The polycarbonate panels carry a 10-year warranty against UV degradation. This is the kind of structure you're still using when your kids are grown.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003ePrecision German Manufacturing\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eHoklartherm has been building greenhouses in Germany for over 30 years. Every hole lines up. Every panel fits. Every connector seats properly. The unique channel design of the aluminum components allows for simple slide-and-fit assembly, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003esaving time and reducing the frustration common with lesser-made kits.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eOptional Add-Ons\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFoundation Frame (+$1,299)\u003c\/b\u003e The aluminum foundation frame provides a level perimeter base when mounting to a prepared surface. Buries in a shallow trench around the perimeter for a solid, level anchor. Strongly recommended for Colorado's freeze-thaw soil conditions.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eShelf System\u003c\/b\u003e Purpose-built shelving that hangs from the frame rather than the walls, preserving floor space and light penetration:\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eTop Shelf — 10\" wide x 10'4\" long (+$379)\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eBottom Shelf — 25\" wide x 10'4\" long (+$499)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eThe suspended shelf system is one of the Riga's most distinctive features.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eIt adds usable growing space without compromising structural integrity or blocking light.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eThe Riga Large Series — Find Your Size\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Riga 3 is the entry point of the Large series. All three models share the same 9'8\" width and 7'7\" peak height:\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l1 level1 lfo3; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eRiga 3 — 102 sq. ft.\u003c\/b\u003e (9'8\" x 10'6\") — You are here. Perfect balance of space and footprint.\u003c\/li\u003e\n\u003cli style=\"mso-list: l1 level1 lfo3; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eRiga 4 — 135 sq. ft.\u003c\/b\u003e (9'8\" x 14') — Two automatic roof vents, more growing room, upgraded door handle\u003c\/li\u003e\n\u003cli style=\"mso-list: l1 level1 lfo3; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eRiga 5 — 165 sq. ft.\u003c\/b\u003e (9'8\" x 17'6') — Four automatic roof vents, maximum Large series growing space\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eLooking for a narrower footprint? The \u003cb\u003e\u003ca href=\"https:\/\/southtablesheds.com\/products\/riga-small-polycarbonate-greenhouse\"\u003eRiga S series\u003c\/a\u003e\u003c\/b\u003e starts at 54 sq. ft. with a 7'8\" width, from $5,999.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eNeed a professional-grade structure? The \u003cb\u003eRiga XL 6\u003c\/b\u003e steps up to 14' wide with 16mm triple-wall glazing.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHow does the Riga 3 hold up in Colorado hailstorms?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBetter than most greenhouse kits on the market. The Riga 3 uses 10mm twin-wall polycarbonate on the gable ends and 8mm twin-wall on the side walls,  both significantly thicker than the 4–6mm single-wall panels found on budget greenhouses. The twin-wall construction absorbs impact rather than shattering, and the polycarbonate itself is far more impact-resistant than glass. Colorado's Front Range sees some of the most intense hail in the country, and the Riga's panel thickness and curved roof profile,  which deflects rather than catches impact,  makes it one of the better-suited greenhouse kits for our climate. \u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHow wind-resistant is the Riga 3?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Riga 3's aerodynamic bell-shaped curved roof is specifically engineered to perform in high-wind conditions. Rather than presenting flat surfaces for wind to push against, the curved profile redirects airflow up and over the structure. Customers in high-wind regions,  including the Sierra Nevada, coastal New England, and the Great Plains,  regularly report the Riga holding up through extreme wind events. On Colorado's Front Range, where chinook winds can gust well above 60 mph along the foothills, the Riga 3's frame and panel system is engineered to handle the load. For maximum wind resistance, we recommend anchoring to a solid foundation,  either a concrete pad or the optional aluminum foundation frame,  rather than placing it on unanchored soil.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eHow does the Riga 3 compare to Tractor Supply or Amazon greenhouse options?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eThe Riga 3 is a fundamentally different category of product. Big-box and marketplace greenhouse options typically use 4mm single-wall panels, thin aluminum tubing, and hardware designed to hit a price point. The Riga 3 uses 8–10mm twin-wall polycarbonate, 13-gauge anodized aluminum, and German precision manufacturing with a 15-year frame warranty. One is a seasonal shelter. The other is permanent growing infrastructure.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eCan I heat the Riga 3 for winter growing in Colorado?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eYes! And the twin-wall panels make heating efficient. The insulating air gap in the polycarbonate panels makes a measurable difference in heating costs. Many Colorado growers use a small electric or propane heater to maintain above-freezing temperatures even during our coldest nights. At elevation, this insulation advantage is especially valuable.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eWhat foundation does the Riga 3 need?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eThree solid options: a concrete pad for maximum permanence, a level bed of compacted gravel or pavers for drainage and accessibility, or the optional aluminum foundation frame directly in soil. The frame option is the most DIY-friendly and works well in most yard conditions across Colorado's clay-heavy soils.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eDo I need a building permit in Colorado for a greenhouse this size?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eAt 102 square feet, the Riga 3 typically falls within permit exemption thresholds for most Front Range municipalities, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003ebut rules vary by city and HOA. Jefferson County, Arapahoe County, Denver, and surrounding cities each have their own thresholds. We've navigated these requirements for 17 years. If you're unsure what applies to your property, ask us before you order. For a full overview, see our guide on \u003ca href=\"https:\/\/southtablesheds.com\/blogs\/news\/colorado-building-permits-shed-greenhouse-sauna\"\u003eColorado building permits for sheds, greenhouses, and saunas\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eDoes South Table Sheds offer greenhouse assembly services?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eYes. Phil and our crew offer professional greenhouse assembly throughout the Denver metro and Front Range. \u003ca href=\"https:\/\/southtablesheds.com\/pages\/contact\"\u003eContact us for a quote\u003c\/a\u003e.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eWe're typically booked 2–4 weeks out during peak season, so reach out early.\u003c\/p\u003e\n\u003ch3 style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003e\u003cb\u003eWhat's the difference between this and the Riga 3s?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\" class=\"MsoNormal\"\u003eThe Riga 3s is 7'8\" wide with a 72\" door. The Riga 3 is 9'8\" wide with a 79\" door. Same length, same glazing specs, but the Riga 3 gives you 21 more square feet, wider interior space, better headroom, and a taller door for $300 more. If your yard has room for the wider footprint, the Riga 3 is the better long-term value.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003eWhy Buy from South Table Sheds\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003eWe're an authorized Exaco dealer based in Golden, Colorado, with 17 years of experience assembling and selling outdoor structures. When you buy from us, you're not just dealing with an online store, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003eyou're working with people who've assembled these greenhouses, know how they perform through Colorado winters, and are available to answer real questions before and after your purchase.\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eFree shipping to the continental US\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eSecure checkout with Shop Pay installments available\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eAuthorized Exaco retailer, \u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003epurchase fully protected\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eProfessional assembly available across the Denver metro\u003c\/li\u003e\n\u003cli style=\"mso-list: l2 level1 lfo4; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eCall us directly: 720-656-7313\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"South Table Sheds","offers":[{"title":"No \/ No \/ No","offer_id":43396338122870,"sku":null,"price":6899.0,"currency_code":"USD","in_stock":true},{"title":"No \/ No \/ Yes","offer_id":43396338155638,"sku":null,"price":7398.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ No","offer_id":43396338188406,"sku":null,"price":7278.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ Yes","offer_id":43396338221174,"sku":null,"price":7777.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ No","offer_id":43396338253942,"sku":null,"price":8198.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ Yes","offer_id":43396338286710,"sku":null,"price":8697.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ No","offer_id":43396338319478,"sku":null,"price":8577.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ Yes","offer_id":43396338352246,"sku":null,"price":9076.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8747\/2246\/files\/RIGA3_8.jpg?v=1778556777","url":"https:\/\/southtablesheds.com\/products\/riga-3-polycarbonate-greenhouse-kit-102-sq-ft-exaco-riga-large-series","provider":"South Table Sheds","version":"1.0","type":"link"}