Traditionally Manufactured Intermediate Waterproofing Layer
Chesterplus 3B is a traditional pour and roll membrane which is normally installed as an immediate layer over suitable venting bases and finished with suitable Chesterfelt capping sheets. It features a glass fibre core which is saturated and coated in high quality bitumen.
When incorporated in a suitably designed and installed multi-layer system, maintained in accordance with BS 8217:2005 – Reinforced bitumen membranes for roofing, Chesterplus 3B will provide reliable performance.
Key Features & Benefits:
• Suitable as both an underlay and intermediate layer on a built-up flat roof
• Can be used as underlay under shed felts and shingles