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ELEVATE APP 180 WHITE HOT ROOF
$78.00
In stock: 9 available
Product Details
Brand: FIRESTONE
APP vs SBS Modified Bitumen Roofing
(Bangla + English, simple + accurate)
Modified bitumen roofs use asphalt that’s “modified” with rubber or plastic to improve flexibility and durability. The two main types are APP and SBS.
1) APP (Atactic Polypropylene) — Plastic‑Modified
What it is
APP is asphalt mixed with plastic (polypropylene).
Key Features
-
Torch‑down system (heat melts the plastic)
-
High UV resistance
-
More rigid / less flexible
-
Great for hot climates
-
Granulated cap sheets common
Where it’s used
-
Commercial flat roofs
-
Residential flat roofs
-
Areas with strong sun exposure
Simple Bangla
APP = Plastic‑modified, torch‑down, UV‑resistant, harder material.
2) SBS (Styrene‑Butadiene‑Styrene) — Rubber‑Modified
What it is
SBS is asphalt mixed with synthetic rubber.
Key Features
-
Very flexible (like rubber)
-
Works well in cold climates
-
Can be installed with:
-
Torch
-
Cold‑apply adhesive
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Hot asphalt
-
-
Better for roofs that move/expand
Where it’s used
-
NYC buildings with movement
-
Cold weather regions
-
Roofs with foot traffic
Simple Bangla
SBS = Rubber‑modified, flexible, cold‑weather friendly, less brittle.
3) Quick Comparison Table
| Feature | APP | SBS |
|---|---|---|
| Modifier | Plastic (polypropylene) | Rubber (SBS rubber) |
| Flexibility | Low | High |
| UV Resistance | Excellent | Good |
| Best Climate | Hot | Cold |
| Installation | Mostly torch‑down | Torch, cold‑apply, hot asphalt |
| Durability | Very durable | Very flexible + durable |
| Feel | Harder | Softer / rubbery |
4) Simple Rule for Staff (Bangla)
APP = Plastic + Torch + Hot Weather
“যেখানে রোদ বেশি, UV বেশি — APP ভালো।”
SBS = Rubber + Flexible + Cold Weather
“NYC‑র মতো ঠান্ডা‑গরম ওঠানামা হলে — SBS ভালো।”
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ELEVATE APP 180 WHITE HOT ROOF
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