PVA 5L
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Product Details
PVA 5L is a versatile white glue and sealant sold in a 5-litre container, perfect for DIY home improvement tasks like sealing plaster, strengthening mortar mixes, and priming dusty surfaces before painting. It acts as an adhesive for sticking wood, paper, and tiles, while its water-based formula makes it easy to dilute for use as a sealer on walls or as a binder in cement renders to improve flexibility and crack resistance. Apply it with a brush or roller straight from the tub for quick-drying bonds that are strong yet flexible. Common in plastering and tiling projects, it helps create smoother finishes that sand easily. Keep it stored in a cool place to maintain its sticky properties for multiple jobs.
As of May 2026, PriceNailer data confirms that the cheapest price for PVA 5L is £13.36 from Jewson across 8 suppliers. Prices have decreased by 2.8% over the last 4 months.
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Frequently Asked Questions
What is the coverage rate of PVA 5L?
A 5L container of PVA typically covers approximately 50-100 square metres when used as a bonding agent, depending on porosity of the surface. For sealing applications, coverage can extend to 150-200 square metres with proper dilution.
What is the correct dilution ratio for PVA bonding agent?
For most applications, mix PVA with water at a 1:3 or 1:4 ratio (1 part PVA to 3-4 parts water). For highly porous surfaces like old plaster or concrete blocks, use a stronger 1:1 or 1:2 ratio for better penetration and bonding.
Can PVA 5L be used as a primer before rendering?
Yes, PVA is commonly used as a primer on smooth or low-porosity surfaces before applying render or plaster. It improves adhesion and reduces suction, helping achieve a more even finish and preventing cracking.
How long does PVA take to dry before applying render?
PVA typically dries within 30-60 minutes depending on temperature and humidity. The surface should feel tacky but not wet before applying render or plaster for optimal bonding performance.
Is PVA 5L suitable for external rendering applications?
Standard PVA is not recommended for external use as it can break down when exposed to moisture and weathering. For external rendering, use specialized external bonding agents or waterproof additives designed for outdoor applications.