External Damp Proofing
Filed Under External Damp Proofing · Tagged: damp proofing walls, damp walls, exterior wall, External Damp Proofing, external wall, lime render, wall damp
Can Newton Membranes Be Used Externally?
Used externally Newton Membranes provide a damp proofing solution, a waterproof support for rendered finishes and effective protection to exposed buildings, porous and deteriorated surfaces against wind driven rain, salt laden air, wall damp and general penetrating dampness. By acting as an external wall coating, it can provide as a solution for damp walls internally.

Newton 503 Mesh Used Externally
Once in place the membrane forms an exterior wall coating, which protects the structure against any further penetrating dampness whilst the membrane stud profile maintains an air gap in to which residual moisture can evaporate and where ventilation can take place. [Read more]


John Newton & Company is the longest established independent specialist in damp proofing in the UK. Our damp proof membranes and ancillary products are used in all sorts of properties - from refurbishments to historic buildings, including the London Underground System and the Houses of Parliament. John Newton & Company is a family business, and we pride ourselves in offering the best service possible to our customers. We are also a market leader in basement waterproofing solutions. For our full range of basement waterproofing and damp proofing products please visit