As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct the flow of the blood as the heart beats. The heart has two ...

Cavity wall insulation can cut your heating bills so much that it will pay for itself quickly. What’s more, there are grants and offers available to help pay for cavity wall insulation For ...

Both are significant undertakings in terms of cost and disruption. This page focuses on internal solid wall insulation. Click here for our page on external solid wall insulation. Around half of all ...