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Roof Specifications
Durapax Coal Tar Roof Specifications:

Roof Spec.

Deck Type

Reinforcement

No. of Plies

Slope Limits

Warranty

RP-40-4

Nailable

Organic

4

0"-1/2"

Up to 20 Years

RP-40-5

Nailable

Organic

5

0"-1/2"

Up to 20 Years

RP-41-3

Non-nailable

Organic

3

0"-1/2"

Up to 15 Years

RP-41-4

Non-nailable

Organic

4

0"-1/2"

Up to 20 Years

RP-41-5

Non-nailable

Organic

5

0"-1/2"

Up to 20 Years

 

 

 

 

 

 

RP-50-TC-4

Nailable

Fiberglass

4

0"-1/4"

Up to 20 Years

RP-51-TC-3

Non-nailable

Fiberglass

3

0"-1/4"

Up to 15 Years

RP-51-TC-4

Non-nailable

Fiberglass

4

0"-1/4"

Up to 20 Years

 

 

 

 

 

 

RP-60-4

Nailable

Organic/Glass

4

0"-1/8"

Up to 20 Years

RP-60-5

Nailable

Organic/Glass

5

0"-1/8"

Up to 20 Years

RP-61-3

Non-nailable

Organic/Glass

3

0"-1/8"

Up to 15 Years

RP-61-4

Non-nailable

Organic/Glass

4

0"-1/8"

Up to 20 Years

RP-61-5

Non-nailable

Organic/Glass

5

0"-1/8"

Up to 20 Years

 

 

 

 

 

 

RP-41-3-PRMA

Non-nailable

Organic

3

0"-1/8"

Up to 20 Years

RP-51-3-PRMA

Non-nailable

Fiberglass

3

0"-1/4"

Up to 20 Years

RP-61-3 PRMA

Non-nailable

Organic/Glass

3

0"-1/2"

Up to 20 Years

Flashing Specifications:

Flashing Spec.

Type

Reinforcement

No. of Plies

Surfacing

Warranty

B-410-A

Modified Asphalt

Glass/Polyester

2

Granules

Up to 10 Years

B-500-A

Modified Asphalt

Polyester/Polyester

2

Granules

Up to 20 Years

B-450-A

Modified Asphalt

Glass/Polyester

3

Granules

Up to 20 Years

B-I-400-C

Modified Asphalt

Polyester/Polyester

2

Granules

Up to 20 Years

B-I-400-A

Modified Asphalt

Polyester/Polyester

2

Granules

Up to 20 Years

Durapax Coal Tar Roof Restoration Specification:

Restoration Specification

Description

Warranty

S-1000

Coal Tar Roof Restoration - Flood Coat

Up to 10 Years

Durapax Additional Flashing Details:

Drawing No.

Drawing Description

B01ISO

Wall With Coping

B02ISO

Roof Edge With Cant

B03ISO

Roof Drain With Taper

B04ISO

Concrete Parapet

B05ISO

Equipment Support Curb

B07SEC

Hot Pipe Through Curb

B08ISO

Non-Wall Supported Deck

B09SEC-F

Flat Roof Edge

B09SEC-G

Guttered Roof Edge

B09ISO

Tapered Roof Edge

B10ISO

Vent Stack Flashing

B11ISO

Equipment Stand And Support Pipe Flashing

B12ISO

Metal Expansion Joint On Curb

B15ISO

HVAC Curb

B20ISO

Traffic Pad

B57SEC

Metal Pitch Pan With Metal Hood

B61ISO

Two Ply Organic Felt Envelope

B62ISO

Metal Pitch Dam

B63ISO

Thru-Wall Scupper

B64ISO

New Curb Installed Into Existing BUR

This information is offered to assist designers and applicators. Although major topics of consideration are discussed, many other elements (e.g. structural framing, climate, interior conditions, etc.) are important and must be taken into consideration. It is the responsibility of the design professional to take the information presented and determine that all segments of the overall project design are suitable. As additional reference, Durapax recommends the National Roofing Contactors Association Roofing and Waterproofing Manual. If presented with a situation not covered, consult your Durapax representative for clarification.
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