--- product_id: 81999775 title: "CertainTeed 902008 8'4\" x 100' Smart Vapor Retarder Barrier, No Size, Clear" brand: "certainteed" price: "R9622" currency: ZAR in_stock: true category: "Certain Teed" url: https://www.desertcart.co.za/products/81999775-certainteed-902008-84-x-100-smart-vapor-retarder-barrier-no store_origin: ZA region: South Africa --- # Smart humidity-adaptive membrane 100' length coverage CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear **Brand:** certainteed **Price:** R9622 **Availability:** ✅ In Stock ## Summary > 💧 Stay dry, stay smart — the vapor barrier that adapts with you. ## Quick Answers - **What is this?** CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear by certainteed - **How much does it cost?** R9622 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/81999775-certainteed-902008-84-x-100-smart-vapor-retarder-barrier-no) ## Best For - certainteed enthusiasts ## Why This Product - Trusted certainteed brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Installation:** Installs like traditional poly sheeting but with enhanced moisture barrier performance. - • **Dual-Season Protection:** Blocks moisture vapor in winter and releases trapped moisture in summer to prevent mold and damage. - • **Perfect Fit for 8' Walls:** Designed specifically for 8-foot tall walls, ensuring seamless installation without waste. - • **Adaptive Moisture Control:** MemBrain technology senses and adjusts vapor permeability to seasonal humidity, keeping walls dry year-round. - • **Trusted Quality & Performance:** Backed by CertainTeed’s reputation and a 4.6-star rating from professionals. ## Overview The CertainTeed 902008 Smart Vapor Retarder Barrier is a clear, 8'4" by 100' roll designed for 8-foot walls. Featuring innovative MemBrain technology, it dynamically adjusts vapor permeability based on humidity levels, preventing moisture buildup in winter and allowing drying in summer. Easy to install like traditional poly sheeting, it offers superior protection for wall cavities in required climate zones, ensuring long-lasting structural integrity and indoor air quality. ## Description CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear ## Features - Model 902008 is for 8 foot tall walls and is 100 feet long - Unlike traditional vapor retarder, membrain senses and adapts permeance to varying humidity throughout the year to keep the wall cavity dry - For use with un-faced insulation as a vapor retarder in climate zones where one is required - Prevents moisture vapor from entering the wall cavity in the winter and allows any moisture buildup to escape the wall cavity in the summer - Installs like poly with an extra level of moisture protection ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MS4O729 | | Best Sellers Rank | #84,218 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Scaffolding Equipment #92 in Construction Tiles | | Color | Clear | | Customer Reviews | 4.6 4.6 out of 5 stars (50) | | Date First Available | January 6, 2017 | | Included Components | One roll of MemBrain - 8' x 100' | | Item Package Quantity | 1 | | Item Weight | 11 pounds | | Item model number | 902008 | | Manufacturer | CertainTeed | | Material | Plastic | | Part Number | 902008 | | Product Dimensions | 5 x 5 x 12.5 inches | | Size | No Size | | Usage | Inside | | Warranty Description | Warranty | ## Images ![CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Image 1](https://m.media-amazon.com/images/I/61S8XeKD1sL.jpg) ![CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Image 2](https://m.media-amazon.com/images/I/411JrGnRjoL.jpg) ![CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Image 3](https://m.media-amazon.com/images/I/51BYiaQKaBL.jpg) ![CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Image 4](https://m.media-amazon.com/images/I/41m73Z9CYfL.jpg) ![CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Image 5](https://m.media-amazon.com/images/I/41hZOvjfzgL.jpg) ## Frequently Bought Together - CertainTeed 902008 8'4" x 100' Smart Vapor Retarder Barrier, No Size, Clear - Tuck Tape Construction Sheathing Tape, Vapor Barrier PE Tape, Epoxy Resin Tape, 2.4 in x 180 ft (Blue) - BlueTex Insulationㅤ 3" Wide x 180' Long White Vapor Barrier Seam Tape - 1 Roll, Waterproofing & Great for Crawlspaces, Insulation Repairs, Underlayment Seams, Metal Building Insulation Seams --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/81999775-certainteed-902008-84-x-100-smart-vapor-retarder-barrier-no](https://www.desertcart.co.za/products/81999775-certainteed-902008-84-x-100-smart-vapor-retarder-barrier-no) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-03*