Waterproofing uPVC doors and windows is essential for preventing water ingress and ensuring longevity. The following are some of the best waterproofing products specifically suited for uPVC installations:
1. Silicone Sealants
- Dow Corning 791 Silicone Weatherproofing Sealant: Known for its flexibility and durability, this sealant is excellent for creating a waterproof seal around uPVC windows and doors. It adheres well to uPVC and other building materials.
- GE Silicone II Window & Door Caulk: This 100% silicone sealant provides a long-lasting, waterproof seal that is resistant to shrinking and cracking.
2. EPDM Gaskets and Seals
- Raven RP2B EPDM Weather Seal: Designed for sealing around windows and doors, this product provides excellent waterproofing and is resistant to weathering and UV exposure.
- Q-Lon Weatherstripping: Made from a combination of EPDM and polyurethane foam, Q-Lon offers superior sealing properties and durability for uPVC profiles.
3. Weatherstripping
- Frost King V-Seal Weatherstripping: This self-adhesive weatherstripping provides an effective seal against water and air infiltration, ideal for uPVC doors and windows.
- M-D Building Products Weatherstrip Tape: A versatile option for sealing gaps and preventing water ingress, this tape adheres well to uPVC surfaces.
4. Liquid Waterproofing Membranes
- Sika Seal 107 Waterproof Coating: A two-component, flexible waterproofing slurry, ideal for sealing joints and providing an additional layer of waterproofing for uPVC installations.
- Mapei Mapelastic Smart: A flexible, cementitious waterproofing membrane that can be applied around uPVC doors and windows to enhance water resistance.
5. Protective Films
- 3M Window Films: These films provide additional protection against UV rays and water, while also improving energy efficiency. They are easy to apply and compatible with uPVC windows.
6. Jointing Compounds
- Bostik PU Seal N Flex: A polyurethane sealant that provides a strong, flexible, and waterproof joint, suitable for uPVC frames and other building materials.
- Arbo 2025 Sealant: A low-modulus, neutral-cure silicone that offers excellent adhesion and flexibility, perfect for sealing uPVC window and door installations.
7. Specialized uPVC Cleaners and Protectants
- Everbuild PVCu Cream Cleaner: A cleaner specifically designed for uPVC, it helps maintain the appearance of windows and doors while providing a protective layer against water and dirt.
- WD-40 Specialist Water Resistant Silicone Lubricant: This product helps to protect uPVC seals and moving parts from water, reducing the risk of wear and tear.
Conclusion
When choosing waterproofing products for uPVC doors and windows, it’s important to select items that offer durability, flexibility, and compatibility with uPVC materials. Silicone sealants, EPDM gaskets, weatherstripping, liquid waterproofing membranes, protective films, jointing compounds, and specialized cleaners and protectants are all excellent choices for ensuring a watertight seal and prolonging the life of your uPVC installations. Always follow the manufacturer’s instructions for application and maintenance to achieve the best results.
