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30x40 casement window
30x40 casement window

The 30x40 casement window is a made-to-size aluminum thermal-break crank-out window from DERCHI's WY series, built for B2B project buyers who need custom configurations and verified performance data.

  • Constructed with 6063-T5 aluminum profile available in 72, 86, or 100 mm frame depths
  • Hand-crank opening mechanism for controlled ventilation in hard-to-reach installations
  • Double tempered glass packages tailored to series selection for safety and thermal efficiency
  • Manufactured to project-specific dimensions from the nominal 30 x 40 in reference size
Inquire
zs
derhi window and door performance certifications for extreme weather
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
Customizable Styles and Configurations
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
advantages
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing
bianzu

PRODUCTS

SAFE FOR BELOVED HOME Premium Quality & Safety Resources In DERCHI
30x40 casement window
30x40 casement window
100% waterproof and anti pinch
CE /NFRC Standard Certification
US/ AU IGCC Standard Glass Certification

100% thermal insulation/windproof/ soundproof

库存: 0
Inquire
beijing

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We can custom made to any project unique window and door designs with our professional and experienced sales & technical team.
   WhatsApp / Tel: +86 15878811461
   Email: windowsdoors@dejiyp.com
    Address: Building 19, Shenke Chuangzhi Park, No. 6 Xingye East Road, Shishan Town, Nanhai District, Foshan City China
DERCHI window and door is one of top 10 windows and doors in China. We are professional high quality aluminum doors and windows manufacturer with professional team for more than 25 years.
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