Safe internally assembled soundproof and airtight window

Wind resistance: Wind resistance better than 360 kgf/m².
Airtightness: Ventilation volume at 2 m³/hr.m².
Water-tightness: Water-tightness exceeds 50 kgf/m².
Sound insulation: STC=35dB、Rw=35dB.

• Suitable for apartments, hotels, administrative agencies, office towers, factories, and externally installed security windows or iron grills as well as any sites that require windows with fall prevention, security, and soundproofing.
• The external frame is 80mm wide, the double hung windows are of an internally assembled design. The inner and outer window sashes and window screens within the inner fame can be dismantled from the inside which completely avoids the danger of falls that may occur when work is done from the outside, this is the best safety option available.
• The step-form water drainage design conforms to the principles of fluid dynamic principles and this sets our windows apart from other those of manufacturers whose products are plagued with the issue of poor water drainage. Our windows provide added safety and convenience for cleaning as well as peace of mind when it rains.
• The joints of the external aluminum frame are reinforced with standard metal fittings to improve the load strength of the frame. Adjustable screws can also be added to reinforce the metal fittings and window fixtures.
• Premium grade long-lasting SANTOPRENE anti-weathering airtight strips are situated in the space between the internal and external frames to provide superb airtightness and sound insulation.
• The axle mounted stainless steel and wear resistant single (or double) rollers can be used to make minor height adjustments to the inner screens. Even large window screens can be easily operated with no fear of wear.
• A 3-point interlocking airtight handle set may be installed for the inner window sashes to improve performance in sound insulation, water- and air-tightness.
• The inner frames and window screen frames can be manufactured according to customized structural strength requirements.
• Innovative dynamic anti-drop fittings with highly flexible plastic guide vanes are used for the screens that prevent them from falling off, making them safe and easy to use.
• The simple and streamlined design of the windows and doors is a realization of modern aesthetics and craftsmanship, offering exemplary visual beauty. A wide and bright view is now within your grasp.
• We recommend using (5 + 5mm) laminated safety glass with a PVB elastic gel membrane between the glass sheets that reduces structural resonance and damps the amplitude of sound waves of all frequencies. The end result is excellent safety, security, sound insulation, heat insulation, and UV shielding.