

PUA-100
PRODUCT DESCRIPTION
GRESBOND PUA-100 is a high-performance, two-component polyurethane thinset adhesive designed for superior bonding of tiles and stone on both interior and exterior floors and walls. Engineered for exceptional flexibility, it is ideal for a wide range of substrates, including metal, plywood, and drywall. This multipurpose adhesive ensures strong and durable adhesion, making it the perfect solution for challenging installations.
KEY PERFORMANCE FEATURES
Product Variants
Method of Application
A comprehensive, sequential procedural view designed for engineers and site applicators to attain faultless surface integration using PUA-100 adhesive compounds.
Installation Instructions

Surface Preparation
- The substrate must be levelled, cured, undamaged, compact, rigid, resistant, dry and free from any debonding agents and from damp rising.
- All surfaces must be plumb and true to within 6 mm in 10 ft (3m).
- Dry, dusty surfaces should be dampened with water & excess water should be swept off.
- New concrete slabs shall be damp cured and 28 days old before application which will reduce the shrinkage from tile fixing surface.
- Rust on iron surfaces must be removed by sandblasting.
- Expansion joints are to be provided & filled with suitable sealant.
- Don't cover expansion joints with thin set tile adhesive/tile.
Surface Preparation
- The substrate must be levelled, cured, undamaged, compact, rigid, resistant, dry and free from any debonding agents and from damp rising.
- All surfaces must be plumb and true to within 6 mm in 10 ft (3m).
- Dry, dusty surfaces should be dampened with water & excess water should be swept off.
- New concrete slabs shall be damp cured and 28 days old before application which will reduce the shrinkage from tile fixing surface.
- Rust on iron surfaces must be removed by sandblasting.
- Expansion joints are to be provided & filled with suitable sealant.
- Don't cover expansion joints with thin set tile adhesive/tile.
Mixing
- The two components of GRESBOND PUA-100 are supplied in ready-to-mix bucket.
- Pour the part B into part A and mix well until a uniform white paste is obtained.
- Mix with a suitable mechanical stirrer or slow-speed drills (50-100 rpm) until a lump-free homogeneous paste is obtained.
- Always mix the required quantity, which can be consumed within pot life.
- Leave the mixture for 5 minutes before use.
- The ratio of the part A and part B is fixed, and any modification and/or inappropriate ratio could cause incorrect hardening of the product.
Suitable Substrates
Note: Surfaces must be thoroughly cleaned and roughened before the installation of tiles or stones to secure dynamic mechanical integration.
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