Flat roof waterproofing
Solar installation on a flat roof

Surface applications and detailed solutions – durable and long-lasting

As PU hybrids, the MB PUReactive systems combine the best of multiple worlds to create roof waterproofing solutions with exceptional capabilities. MB PUReactive systems are just as cost-effective as sheet waterproofing, but can also be used effortlessly around joints and material transitions thanks to their excellent adhesion and flexibility. And of course the MB PUReactive systems satisfy the highest performance classes of ETAG 005.

Surface waterproofing on new buildings

Waterproofing that lasts with MB PUReactive

Surface waterproofing over old waterproofing

MB PUReactive never fails

Wall connections on new buildings

Take the strain out of detail work

Wall connections on old waterproofing

Substrate preparation according to primer recommendation

Dome lights

MB PUReactive TX for roof penetrations of all kinds

Double-T beams

Roof penetrations require special protection

Flat roof vents

Durable sealing of roof penetrations

Flat roof drainage

Waterproofing and drainage must work together

Movement joints

Waterproofing while absorbing movements

MB PUReactive – Fast. Simple. Cost-effective.

flat roof

Waterproofing under tiles

Water-tight systems for roof surfaces in use with living space underneath

Full-length windows

Structures that require a special approach to waterproofing

Slabs on drainage filling material

Walkable flat roofs with slabs in gravel bed

Slabs on support pads

Simple and durable terrace and balcony design

Extensive green roofs

New construction or repair of roof waterproofing with low-maintenance planting

Intensive green roofs

New construction and repair of roof waterproofing with intensive planting

System products and accessories

MB PUReactive
MB PUReactive

Article No. 3003

Hybrid waterproofing product for flat roofs and balconies
MB PUReactive+
MB PUReactive+

Article No. 2982

Fibre-reinforced hybrid waterproofing material for flat roofs and balconies
MB PUReactive TX
MB PUReactive TX

Article No. 2980

Stable hybrid waterproofing material for flat roofs and balconies
MB PUReactive F-200
MB PUReactive F

Article No. 4020

Support inlay in MB PUReactive and MB PUReactive TX
MB PUReactive P-1
MB PUReactive P-1

Article No. 4150

1K primer for plastic and elastomer sheets
Thinner V 103
V 103

Article No. 5699

Cleaning and thinning agent




Segment brochure
Waterproofing systems for flat roofs

More information

1098 brochure Flat roof waterproofing MB-PUReactive ©