![DuraWeld 4s APP_edited.png](https://static.wixstatic.com/media/43cf09_442d936533bb4f2bae73aabf4735f0b3~mv2.png/v1/crop/x_0,y_355,w_1276,h_1011/fill/w_464,h_368,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/DuraWeld%204s%20APP_edited.png)
DuraWeld® 4S APP
DuraWeld® 4S APP is a durable smooth surfaced, premium APP (Atactic-Polypropylene) torch applied
membrane. Manufactured with a strong non-woven polyester mat that is saturated and coated with a premium quality, non-blown asphaltic bitumen and APP resins for a durable, heat resistant, flexible and easily maintainable membrane. It is designed for use as a base sheet, interply sheet or cap sheet in modified bitumen roof system.
DuraWeld® 4M APP
DuraWeld® 4M APP is a durable granule surfaced, premium APP (Atactic-Polypropylene) torch applied membrane. Manufactured with a strong non-woven polyester mat that is saturated and coated with a premium quality, non-blown asphaltic bitumen and APP resins for a durable, heat resistant, flexible and easily maintainable membrane. It is designed for use as a cap sheet in modified bitumen roof systems.
![20230515_103440_edited.png](https://static.wixstatic.com/media/43cf09_66aea431a1d64650b0a891b8c5046705~mv2.png/v1/crop/x_212,y_247,w_899,h_949/fill/w_391,h_413,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/20230515_103440_edited.png)
![20230515_103710_edited.png](https://static.wixstatic.com/media/43cf09_85fd566ea61b4551a031d460cdae1215~mv2.png/v1/crop/x_102,y_178,w_1062,h_1160/fill/w_114,h_125,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/20230515_103710_edited.png)
DuraWeld® 4M APP
Ultra White
DuraWeld® 4M APP is a durable granule surfaced, premium APP (Atactic-Polypropylene) torch applied membrane with a high reflective white granule. Manufactured with a strong non-woven polyester mat that is saturated and coated with a premium quality, non-blown asphaltic bitumen and APP resins for a durable, heat resistant, flexible and easily maintainable membrane. It is designed for use as a cap sheet in modified bitumen roof systems.
DuraWeld® 4MFR APP
DuraWeld® 4MFR APP is a durable, fire-resistant, granule surfaced, premium APP (Atactic-Polypropylene) torch applied membrane. Manufactured with a strong non-woven polyester mat that is saturated and coated with a premium quality, non-blown asphaltic bitumen and APP resins for a durable, heat resistant, flexible and easily maintain-able membrane. It is designed for use as a cap sheet in modified bitumen roof systems.
![20230515_103528_edited.png](https://static.wixstatic.com/media/43cf09_7dee7c4649a045f289da5a24b45b126f~mv2.png/v1/crop/x_267,y_735,w_824,h_913/fill/w_95,h_105,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/20230515_103528_edited.png)
![20230515_103647_edited.png](https://static.wixstatic.com/media/43cf09_390cd1f187c1493781dfb7eac87959a1~mv2.png/v1/crop/x_0,y_212,w_1351,h_986/fill/w_160,h_117,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/20230515_103647_edited.png)
DuraWeld® 4MFR APP
Ultra White
DuraWeld® 4MFR APP is a durable, fire-resistant, granule surfaced, premium APP (Atactic-Polypropylene) torch applied membrane with a high reflective white granule. Manufactured with a strong non-woven polyester mat that is saturated and coated with a premium quality, non-blown asphaltic bitumen and APP resins for a durable, heat resistant, flexible and easily maintainable membrane. It is designed for use as a cap sheet in modified bitumen roof systems.