Westman Steel: Installation Guide Masterflash

Master Flash Pipe Flashing

An Engineered Flashing for all Seasons & Reasons

Roof Adaptability

Master Flash works on all types of roofing surfaces, including metal, plastic, tile, rubber membrane, and others. Aluminum base bends with ease to conform to any panel configuration or roof pitch.

Weather Protected

Master Flash is compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light.

Easy On-Site Customization

Master Flash comes in 11 sizes to fit all pipes and vents 1/8” to 26”. Standard colors black and grey.

Compound Choices

Standard EPDM covers all applications from – 65F to +275F. Red Silicone Master Flash is available for environmental extremes, from -100F to +500F.

Numerous Applications

  • Plumbing, heating/air conditioning vents and equipment
  • Electrical service entrance
  • Grain augers

The only EPDM Flashing to have CSA Approval

The CSA label on every piece of EPDM Black Master Flash means that installers will ”NOT” be accosted by local Building Inspectors, making sign-offs that much easier.

CSA, IAPMO and ICC listing or approvals are only available on Master Flash products.

Don’t be fooled by products that look like Master Flash!

Westman Steel:metal roofing brandsMaster Flash # 1
(1/4” – 2 1/2”)
Master Flash # 2
(1-1/4” – 3”)
Master Flash # 3
(1/4” – 5”)
Master Flash # 4
(3” – 6 1/4”)
Master Flash # 6
(5” – 9”)
Master Flash # 7
(6” – 11”)
Master Flash # 8
(7” – 13”)
Master Flash # 9
(9” – 19”)
Westman Steel:standing seam metal roof manufacturersMaster Flash # 3 Hi Temp Silicone Red
(1/4” – 4”)
Master Flash # 5 Hi Temp Silicone Red
(4 1/4” – 7 3/4”)
Master Flash # 8 Hi Temp Silicone Red
(7” – 13”)
Master Flash # 9 Hi Temp Silicone Red
(9” – 19”)
Westman Steel:metal roofing contractors in my areaRetro Fit Master Flash
(3/4” – 2 3/4”)
Retro Fit Master Flash
(2” – 7 1/4”)
Retro Fit Master Flash
(3 1/4” – 10”)

Standard & Hi Temp Installation Instructions

Westman Steel:metal roof installation costChoose pipe opening and trim Westman Steel:20 ft r panel pricesSlide flashing over pipe Westman Steel:metal roofing manufacturersForm flashing to roof profile Westman Steel:steel roofing near meApply sealant Westman Steel:steel roof colorsFasten flashing to complete

Retro Fit Installation Instructions

Westman Steel:galvalume colorUsing tin snips, cut the cone to fit the pipe, starting opposite the mechanical locking joiner. Westman Steel:best metal roof for residentialWrap Retrofit around the pipe, join the interlocking teeth starting from the top and proceeding down. Westman Steel:steel roof installers near meSqueeze joiner tightly with pliers to crimp, start at the top and work down to the base. Westman Steel:metal roofing systemsApply sealant to the underside of the base. Shape Retrofit to roof by pressing the aluminum base to the roof profile. Westman Steel:metal roof painting near meFasten Retrofit to roof using self-drilling screws, leave no gaps between base and the roof contours. Westman Steel:26 gauge metal roofingApply additional sealant to mechanical locking joiner seam and to all areas that could be a potential leak risk.
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