Question 1

What are cavity walls and why should they be sealed?

Accepted Answer

Cavity walls consist of two layers of masonry with a gap (or cavity) between them. Sealing cavity walls helps improve insulation, reduce energy costs, and prevent moisture ingress, ultimately enhancing the overall comfort of your home.

Question 2

How do I know if my cavity walls need sealing?

Accepted Answer

Signs that your cavity walls may need sealing include drafts, high energy bills, damp spots, or mould growth. An inspection by a professional can help identify any necessary sealing.

Question 3

What materials are best for sealing cavity walls?

Accepted Answer

Common materials for sealing cavity walls include expanding foam, insulation boards, or breathable membranes. The best choice depends on the specific requirements of your walls and the extent of sealing needed.

Question 4

Can I seal cavity walls myself, or should I hire a professional?

Accepted Answer

While some homeowners may choose to seal their cavity walls themselves using the step-by-step guide, hiring a professional is advisable for more complex issues or if you are unsure about the process.

Question 5

How long does it take to seal cavity walls?

Accepted Answer

The time required to seal cavity walls can vary based on the size of the area and method used. Generally, the process can take a few hours to a couple of days, including preparation and drying time for materials used.

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