Damp proofing survey….. Bridged damp proof course (DPC) and porch open to the elements causing moisture ingress. This is a common problem on our timber and damp surveys a bridged DPC can happen in many ways contact Preservit Ltd if you have issues concerning damp patches in your property. Company Registration Number 10559369 We can offer our clients Guarantee Protection Insurance Ltd, (GPi) regulated UK insurer, registration number 26279 . Preservit Ltd are TrustMark Registered 00575798 and commit working government endorsed standards.