Saint-Gobain Weber

Garage flooring: how to install and repair – a Saint-Gobain Weber article

  • 27 Apr 2020

For those looking to install a new garage floor or repair an old one, Saint-Gobain Weber’s guide of hints and tips on how best to do it will be invaluable.

Whether it’s for a new build or a renovation, laying a garage floor is not as hard as people think, say Saint-Gobain Weber.

Floor screeds help keep floors level and are ideal for creating a solid base for the garage; during any kind of home refurbishment or development, one of the most important stages of laying a new floor is the application of an appropriate floor screed.

As the final layer before a finish is applied – or if it’s left without one – it’s important to get the application right first time, otherwise a poorly completed job could end up costing more in repairs in the long run.  

Repair any damaged areas 

If the current garage floor is damaged with holes, cracks or broken patches that are larger than 20mm in depth and less than 2 meters wide, fill them with an application of weberfloor base rapid 4360  screed.

This should be allowed to harden and then primed, before the application of the final floor screed. If there are any irregularities in the substrate under 20mm in depth, fill them with the same floor screed used to lay the garage floor. 

Saint-Gobain Weber

Preparation is key 

Before laying the floor make sure the substrate is clean, free from dust, grease, oil deposits or other impurities that might prevent adhesion – this may mean undertaking some sand/grit blasting. 

It is advised that a primer such as weberfloor 4716 primer  is applied to the substrate to improve the flow and adhesion of all cementitious and hemi-hydrate floor screeds.

Using a long-handled yard brush, it requires two coats spread in opposite directions, with 3 – 5 hours allowed in normal conditions for drying in-between coats. 

Saint-Gobain Weber

Laying the floor 

Start by laying a perimeter foam measuring at least 6mm. Then position two or three 15mm battens (depending on the width of the garage) on the substrate running in the direction planned on laying the screed.

Starting at the wall furthest away from the door completing sections of about 600mm at a time, layer weberfloor industry pro top 4610 – a premium self-smoothing industrial floor screed which can be applied by pump or hand – up to the level of the top of the battens. Continue across the floor until the whole area is covered. 

Straight after application use a spiked roller to remove air bubbles. Do not revisit the screed with the roller after initial pouring as this could result in marks being left in the floor. 

Light foot traffic is possible after 2 – 4 hours in normal conditions. After 24 hours, it will be ready to drive and park a car on. 

The Saint-Gobain Weber website for How-to Guides can be found by clicking the link.

Saint-Gobain Weber
Dickens House, Enterprise Way
Maulden Road
Flitwick
Bedford
MK45 5BY
UK

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