WK100 Double inward opening window
Product Features
Modern Storm-Window Look
Flat pressure-line design delivers a clean, premium appearance inspired by high-end storm windows.
Reinforced Six-Chamber Strength
Strong, insulated structure offering performance comparable to a quality window insulation kit.
Advanced Thermal Sealing
Multi-cavity insulation with a high-performance seal window seal system keeps indoor comfort stable year-round.
Storm-Ready Drainage System
Equal-pressure rain-screen design with patented comb drainage cap prevents noise, insects, and water intrusion—built for severe weather.
Durable Corner Protection
Expansion-injection corner technology ensures long-term airtightness and waterproofing beyond standard window insulation kit solutions.
Product Parameter
Category | Specification |
|---|---|
| Standard Colors (Interior & Exterior) | Black crystal stone / Dark coffee |
| Glass(Optional Upgrades) | ALWEW standard |
| Hinges | Inward tilt and turn: CMECH; Inward casement: HOPO |
| Handle | CMECH |
| Sealing System | Haida sealing strips |
| Thermal Break Strip | Alwew proprietary insulation strip |
| Sash Size Range (Inward Open) | Width 200–750 mm; Height 480–3000 mm |
| Thermal Insulation (W/m·K) | Level 7 |
| Sound Insulation (dB) | Level 4 |
| Water Tightness (Pa) | Level 6 |
| Air Tightness | Level 8 |
| Wind Resistance (KPa) | Level 9 |
