Bitumious Systems - Bauder Total Roof System

When to specify...

Bauder Total Roof System is suitable for a variety of applications on both new build and refurbishment projects and can be used in warm, cold and inverted roof scenarios. There is also the option of using a root resistant cap sheet, making this waterproofing system ideal for green roof situations. BBA certification is granted for the entire system and for when it incorporates our Plant E cap sheet for root resistant green roof waterproofing. Our BTRS system meets current UK Building Regulations Part B for external fire protection.
NBS and BIM specificationsSystem summariesSystem summaries


1 Bauder K5K cap sheet Torch applied elastomeric bitumen capsheet.
BauderTEC KSA DUO underlayer Self-adhesive elastomeric bitumen underlayer.
3  PIR FA-TE insulation or PIR FA tapered (laid to falls) Bauder PIR FA-TE Insulation is a rigid urethane foam insulation faced on both sides with aluminium foil. 

BauderPIR FA tapered insulation provides falls to a roof instead of incorporating into structure.
BauderTEC KSD Mica Tear resistant, aluminium lined self-adhesive bitumen air & vapour control layer.

Key features

•  Capping sheets with tensile strength up to 1000N/50mm
•  Withstands climatic extremes of over 100C variation
•  Patented self-adhesive DUO products
•  Expandable graphite fire retardant prevents spread of flame


•  Heavy duty, robust and extremely tough
•  Service life in excess of 35 years as stated in BBA Certificate 10/4744
•  Resistant to European climatic conditions
•  Membrane resists impact and tearing
•  Satisfies requirements of Part B of Building Regulations

Approvals, certification and guarantee

•  Comprehensive range of guarantees with high level value of cover
•  BBA Certificate 10/4744 for Bauder Total Roof System and Bauder Total
   Green Roof System

•  BS EN 13707 - Reinforced Bitumen Membrane Sheets Compliant
•  S5, P5 in BS8747:2007 UK guide for reinforced bitumen membranes
•  BS EN ISO 140 - 18:2006 system tested for sound intensity on metal deck
•  Meets current Building Regulations for fire performance and our BBA certificate states, “the systems, when used in a suitable specification, will enable a roof to be unrestricted under the Building Regulations”, which confirms they are appropriate for use on any part of a roof.  Fire rating explained ►

Environmental credentials

•  Reinforcement used in capping sheet is made from recycled polyester
•  Bauder insulation is CFC and HCFC free with zero ODP
•  BRE Green Guide Generic A Rating for PIR insulation Element No 1415320205

Installation and maintenance

The quality and experience of the installing operative is paramount to ensuring a successful project. Bauder Approved Contractors are the only people fully trained and certified to install our products. They provide the necessary experience that our exceptional guarantee demands.

Go to approved contractor information ►
Go to maintenance advice ►

Safe2Torch industry initiativeBauder Torch-Free Detailing Methods 

Our torch-free detail design specifically delivers secure safe application techniques in the vicinity of combustible construction materials located on, or connected to, the roof such as timber substrates or upstands; abutments to cladding, roof tiles, slates or thatch; or even debris such as dry leaf material that is at risk from ignition.  The application methods meet NFRC Guidance Document 'Safe2Torch'
Go to Torch-Free Detailing ►

Downloads and other information

Cap sheet colours

The Bauder K5K Cap Sheet is available in these colours.
natural slate charcoal grey
brown           Plant E 


​Technical Excerpt

Life expectancy: > 40 years
Loading: up to 2000Kg/m²
Fire rating: BROOF(t4) - unrestricted and can be used anywhere on the roof (England), Low Vulnerability (<6m) (Scotland)
Rain noise tested: BS EN ISO 140-18:2006

Technical Downloads

BIM and NBS Specifications ►
BTRS system summary ►
BTGRS system summary ►
BBA Certificate BTRS ►
BBA Certificate BTGRS ►
System maintenance advice ►
Bauder GmbH ISO 50001:2011 ►