Screed Drying Time Wooden Floor

Concrete floors or screeds need sufficient time to dry before you can start installing your quick step laminate floor on top.

Screed drying time wooden floor.

With ardex rapid drying floor screeds the area can be walked on in as little as 3 hours and floorcoverings can be installed in as little as 4 hours regardless of thickness. After 4 hours grasping occurs. Run the underfloor heating through a complete cycle. Some more modern screed floors will have a shorter walk on time as little as 12 hours.

But the flooring can only be done after 7 days. It is also important to acclimatise the subfloor before laying the wood flooring. These are traditional screeds and are suitable for all applications provided they are specified correctly. Whenever and wherever a wood floor is to be installed it is essential to make sure that all materials including concrete and screeds are dry.

Make sure the screed is dry. If there is good airflow with a reasonable temperature the screed will dry a lot fast. The same problems happen to traditional sand and cement screed as well. The time it takes for any screed to dry is purely based on surrounding conditions.

The drying time of the floor screed depends on the composition of the mixture. Most screeds recommend 24 48 hours. Gypsum solutions dry quickly. Traditional sand cement and anhydrite floor screeds dry at a rate of 1mm per day meaning months of drying before subsequent work can begin.

75mm screed drying time would be 110 days. As a rule of the thumb you should wait one week per cm of screed thickness up to 4 cm. Moisture migrates from the bottom to the surface. Traditional sand and cement 1 3 1 4 mixes 1 50mm 1mm per day 50mm plus the british standard states one day should be allowed for each millimetre of thickness for the first 50mm.

Further guidance on drying times can be found in the code. Time before walking on a screed floor walk on time refers to the time the floor is suitable for light low impact foot traffic. Refer to the manufacturers guidelines. Wait twice as long for every additional cm thickness up to 6 cm and wait 4 weeks for every additional cm beyond 6 cm.

75mm screed drying time would be 21 days. Bs 8203 estimates the drying time for a sand cement screed as one day for each millimetre of screed thickness up to 50mm thick. The biggest drawback is the drying time. However in all cases the humidity levels in the screed should be monitored at regular intervals to ensure that it is at an acceptable limit before the flooring is installed.

During this time the screed is maturing. Ceramic floor tiles can be laid in 3 days if the thickness of the screed is not more than 5 cm.