What Are Cavity Trays & Where Are They Used?

What are cavity trays, do you need to use them and if so, where are they used? Picture credit: https://www.cavitytrays.com Roger wants to help everybody understand their house better and take care of all of those little jobs that have been bugging you. Do you have something in your house that you want to get your head around? Get in touch: https://skill-builder.uk/send #KnowYourHouse #BuildingFAQ #Brickwork =================================================== Skill Builder Link Tree: https://linktr.ee/skillbuilder Tell us what you like: https://skill-builder.uk/vote Get in touch, send us your pictures and videos: https://skill-builder.uk/send Facebook: https://www.facebook.com/skillbuilderchannel Out of respect to our channel sponsors and the wide variety of people who watch our videos, we will remove comments that do not follow common standards of politeness and decency.