Careers
Who We Are
Who We Are
Innovation
Sustainability
JM Locations
History & Heritage
JM Newsroom
For Our Suppliers
Contact Us
Documents
Insulation
Commercial Roofing
Engineered Products
Customer Login
Insulation
Commercial Roofing
Product Image for GlasKap membrane

GlasKap

GlasKap

Product Descriptive Name
Fiber Glass-Reinforced, Mineral Surfaced Cap SheetÌý
Product Short Description
GlasKap is used as a cap sheet in a variety of built up roofing systems.
Contact Us Today
Contact Us
Contact Us Today

Product Details

GlasKap

Product Short Description
GlasKap is used as a cap sheet in a variety of built up roofing systems.

Features

GlasKap

Meets the requirements of ASTM D 3909Ìý

Asphalt Coated, Fiber Glass Reinforcement Mat:ÌýLow moisture, excellent dimensional stability and resistance to rot make it an ideal replacement for organic cap sheets.

Ceramic-Coated Granules:ÌýProvide protection to the underlying bitumen and membrane, and have a low maintenance cost compared to roofs that use coatings.

Documents

BUR Installation and Details

When it comes to design, we've got the tools to get you from the desk to the roof. Here you will find all of the BUR specifications, 3-part specs, details and installation guides. If you have any questions when it comes to installation, please contact our Specifier Services Group for design and your local technical representative for the field.

Ìý
EDGEÌýCADPDF
BIT-4 (GTR) Roof Edge GutterÌýDWGPDF
BIT-4 Roof Edge with Presto TiteÌýDWGPDF

Ìý
EXPANSION, TIE-IN AND TRANSITION*CADÌýPDFÌý
BIT-1 (NLB) Base Flashing for Non Load Brng Wall-Curb to Wall EJDWGPDF
BIT- 5 Base Flashing for Non Load Bearing Wall & Metal EJDWGPDF
BIT- 7 Curb Mounted Roof to Roof EJ CoverÌýDWGPDF

*ALSO REFER TO SPECIALTY ROOFING PRODUCTS TRANSITION & INTERSECTION DETAILS

Ìý
CURBS AND CORNERSCADPDF
BIT-8 Prefabricated CurbDWGPDF
BIT-26 Base Flashing at Outside CornerÌýDWGPDF
BIT-27 Base Flashing at Inside cornerÌýDWGPDF

Ìý
DRAINS, PIPES, AND VENTSCADPDF
BIT-9 Plumbing VentÌýDWGPDF
BIT-10 One Way Roof Vent - FP-10DWGPDF
BIT-11 Metal DrainÌýDWGPDF
BIT-21 Primary Metal Scupper in SumpDWGPDF
BIT-22 Overflow Metal ScupperDWGPDF
BIT-23 Vent Stack (Warm)DWGPDF

Ìý
PENETRATION, EQUIPMENT SUPPORT AND PROTECTIONCADPDF
BIT-16 Roof Penetration PanDWGPDF
BIT-17 Lighting Rod on Roof SurfaceÌýDWGPDF
BIT-PT-01 Bituminous Light SupportDWGPDF
BIT-PT-02 Bituminous Medium SupportDWGPDF
BIT-PT-03 Bituminous Heavy SupportDWGPDF
BIT-PT-04 DynaTred Traffic Pads with Pavers
DWGPDF
BIT-PT-05 DynaTred Traffic Pads
DWGPDF

Ìý
WALL FLASHINGCADPDF
BIT- 1 (LB) Base Flashing for Load Brng Wall with CounterflashingÌýDWGPDF
BIT-2 (WL) Base Flashing for Wall less than 24 inchesÌýDWGPDF
BIT-3 (WH) Base Flashing for Wall more than 24 inched with CopingÌýDWGPDF
BIT-3 (WL) Base Flashing for Wall less than 24 inches with CopingÌýDWGPDF
BIT-6 (TH) Base Flashing for Wall more than 24 inches with CopingÌýDWGPDF
BIT-6 (TL) Base Flashing for Wall less than 24 inches with CopingÌýDWGPDF
BIT-15 (E) EPDM Wall Covering with BUR Base FlashingÌýDWGPDF
BIT-15 (E) Alt-EPDM Wall Covering with BUR Base FlashingÌýDWGPDF
BIT-15 (P) PVC Wall Covering with BUR Base FlashingÌýDWGPDF
BIT-15 (T) TPO Wall Covering with BUR Base FlashingÌýDWGPDF

Ìý
EDGECADPDF
DFE-4 (PRESTO LOCK) Facia, Presto Lockâ„¢ Fascia SystemÌý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý ÌýDWGPDF
DFE-4 (GS) Gravel StopDWGPDF
DFE-4 (GS-ALT) Gravel Stop (Alternate)DWGPDF
DFE-4 (GTR) GutterDWGPDF
DFE-4 (PRESTO TITE) Presto-TiteDWGPDF
DFE-4 (RFS) Rail Fascia System Roof EdgeDWGPDF
DFE-4 (RMCF) Raised Metal Cant FasiaDWGPDF

EXPANSION, TIE-IN AND TRANSITIONCADPDF
DFE-1 (NLB) Curb to Wall Expansion JointDWGPDF
DFE-5 (NLB-ALT) Metal Expansion Joint (Alternate)DWGPDF
DFE-7 Roof-to-Roof, Curb Mounted, Expand-O-Flash®Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý ÌýÌýDWGPDF

Ìý
CURBS AND CORNERSCADPDF
DFE-27 Inside CornerDWGPDF
DFE-26 Outside CornerDWGPDF
DFE-8 PrefabricatedDWGPDF
DFE-8 (Skylight) Prefabricated CurbDWGPDF
DFE-19 Roof Hatch CurbÌý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý ÌýDWGPDF

Ìý
PENETRATION, EQUIPMENT SUPPORT AND PROTECTIONCADPDF
DFE-16 Penetration PocketDWGPDF
DFE-17 Lightning Rod, Surface MountÌýÌýDWGPDF
DFE-18 JM ENRGY Anchor - SBS AdheredDWGPDF

Ìý
WALL FLASHINGCADPDF
DFE-1 (LB) Masonry Wall with Counter FlashingDWGPDF
DFE-2 (LB) TWO PLY BASE FLASHING FOR LB MASONRY WALL COUNTER FLASHINGDWGPDF
DFE-2 (PT) PERMA TITE COPINGDWGPDF
DFE-2 BASE FLASHING WITH SURFACE MOUNTED COUNTER FLASHINGDWGPDF
DFE-3 (WH) Wood Wall > 24" with CopingDWGPDF
DFE-3 (WL) Wood Wall < 24" with CopingDWGPDF
DFE-6 (TH) Masonry Wall > 24" with CopingDWGPDF
DFE-6 (TL) Masonry Wall < 24" with CopingDWGPDF
DFE-15 (E) EPDM Wall Covering with Bituminous Base FlashingDWGPDF
DFE-15 (P) PVC Wall Covering with BIT Base FlashingDWGPDF
DFE-15 (T) TPO Wall Covering with Bituminous Base FlashingDWGPDF
DFE-15 (T-ALT) TPO Wall Covering with Bituminous Base Flashing (Alternate)DWGPDF
DFE-20 (WL) Gypsum Wall on Metal Studs < 24" w/CopingDWGPDF
DFE-20 (WH) Gypsum Wall on Metal Studs > 24" w/CopingDWGPDF
DFE-24 Base Flashing for Venting Lightweight ConcreteDWGPDF

VAPOR BARRIER SA DETAILSCADPDFBIM
VB-1 (ALT) JM Vapor Barrier SA - Wall Base Detail - AltÌý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý ÌýÌýDWGPDF-
VB-1 JM Vapor Barrier SA - Wall Base DetailDWGPDF-
VB-2 JM Vapor Barrier SA - Pipe Penetration DetailDWGPDF-
VB-3 JM Vapor Barrier SA - Drain DetailDWGPDF-
VB-4 JM Vapor Barrier SA - Detail at Field LapsDWGPDF-
VB-5 JM Vapor Barrier SA - Outside Curb DetailDWGPDF-
VB-6 JM Vapor Barrier SA - Inside Curb DetailDWGPDF-
VAPOR BARRIER SAR DETAILSÌý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý ÌýÌýCADPDFBIM
VB-1 (ALT) JM Vapor Barrier SAR - Wall BaseDWGPDF-
VB-1 JMÌýVapor Barrier SAR - Wall BaseDWGPDF-
VB-2 JMÌýVapor Barrier SAR - Pipe PenetrationDWGPDF-
VB-3 JMÌýVapor Barrier SAR - DrainDWGPDF-
VB-4 JMÌýVapor Barrier SAR - Field LapsDWGPDF-
VB-5 JMÌýVapor Barrier SAR - Outside CurbDWGPDF-
VB-6 JMÌýVapor Barrier SAR - Inside CurbDWGPDF-

2x4 Ft. Roof ÇàÇà²ÝÊÓƵ Fastener Placement

4x4 Ft. Roof ÇàÇà²ÝÊÓƵ Fastener Placement

4x8 Ft. Roof ÇàÇà²ÝÊÓƵ Fastener Placement

BM-12 Mechanically Fastened Base Sheet (12" o.c.)

BM-12,12,12 Mechanically Fastened Base Sheet (12", 12", 12" o.c.)

BM-18 Mechanically Fastened Base Sheet (18" o.c.)

BM-6 Mechanically Fastened Base Sheet (6" o.c.)

BM-7,7,7 Mechanically Fastened Base Sheet (7", 7", 7" o.c.)

BM-7,9,9 Mechanically Fastened Base Sheet (7", 9", 9" o.c.)

BM-75,75,75 Mechanically Fastened Base Sheet (7.5", 7.5", 7.5" o.c.)

BM-9,12,12 Mechanically Fastened Base Sheet (9", 12", 12" o.c.)

BM-9,18,18 Mechanically Fastened Base Sheet (9", 18", 18" o.c.)

BM-9,9,9 Mechanically Fastened Base Sheet (9", 9", 9" o.c.)

FA-16 Fully Adhered Cover (16-24-32)

FA-8 Fully Adhered Cover (8-16-32)

CBUA-12-6-4 Cover Board Urethane Adhesive Fastening

ICBUA-8-4-4 ÇàÇà²ÝÊÓƵ and Cover Board Urethane Adhesive Fastening

ICBUA-12-6-4 ÇàÇà²ÝÊÓƵ and Cover Board Urethane Adhesive Fastening

INUA-12-6-4 ÇàÇà²ÝÊÓƵ Urethane Adhesive Fastening

BM-9,9,9-TS Tape and Staple Attached Base Sheet (9", 9", 9" o.c.)

BM-9,9,9,9-TS Tape and Staple Attached Base Sheet (9", 9", 9", 9" o.c.)

Assembly Plate Use Instructions

*Please be sure to download the file before selecting your assembly.*

Built-Up Assembly Plates

3 PLY BUR BONDED TO INSULATION ASSEMBLY PLATE

3 PLY BUR INCLUDING NAILED BASE SHEET ASSEMBLY PLATE

4 PLY BUR BONDED TO INSULATION ASSEMBLY PLATE

4 PLY BUR INCLUDING NAILED BASE SHEET ASSEMBLY PLATE

5 PLY BUR BONDED TO INSULATION ASSEMBLY PLATE

5 PLY BUR INCLUDING NAILED BASE SHEET ASSEMBLY PLATE

Download the 3-Part BUR Master Spec

Installation Guides

JM BUR Installation Application Guide

JM Vapor Barrier SA Installation Guide

PermaFlash® Bituminous Flashing System Detail Instructions

PermaFlash® Bituminous Flashing System Penetration Flashing

Additional Resources

BUR Membrane Selector Guide

BUR Membrane Selector Guide -ÌýEspañolÌý

Adhesives and Cements Selector Guide

ÇàÇà²ÝÊÓƵ and Cover Board Selector Guide

ÇàÇà²ÝÊÓƵ and Cover Board Selector Guide -ÌýEspañolÌý

Coatings Selector Guide

Coatings Selector Guide -ÌýEspañolÌý

Fasteners and Plates Selector Guide

Resources

The Original Roofing Company Uses JM BUR System to Get Job Done

The Original Roofing Company (TORC) won a new build project in southwest Las Vegas from general contractor Martin-Harris Construction for a 200,000 square foot mixed use office and warehouse structure in an area with industrial. buildings, car dealerships and residential housing.

Learn More

Building Owner Resources

ÇàÇà²ÝÊÓƵ offersÌýone of the most comprehensive portfolios of commercialÌýlow-slope roofing solutions. We have a long standing dedication toÌýproviding solution-based systems for building owners.

Codes Corner

Here you will find quick links and cheat sheets to ÇàÇà²ÝÊÓƵ roofing systems code approvals and ratings.Ìý

Guarantees and Roof Maintenance

Support services can include: conceptual product information, building science, wind uplift data, national and local code understanding, FM Global® and UL® regulations, fastening patterns and sheet layouts, installation guidelines and standard details.

Recycling Resources

Re-roofing mechanically attached or ballasted insulated single-ply systems now have the potential for recycling versus contributing to a landfill.

DocumentÌýLibraryÌý

Your resource for all JM documents in one place.Ìý

Submittal Wizard

The Submittal Wizard is a tool to help you pull together the necessary documents for your submittal package.

Explore More

Commercial Roofing News

Blog

Read Now
Commercial Roofing Blog

Watch On-Demand

Video Library

Watch Now
Roofing Video Library

Expand Your Knowledge

Recursos en Español

Learn More
Training Page