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It is a product that greatly improves the performance of condensation prevention, soundproofing, windshield, and insulation by compensating for problems caused by condensation occurring due to inside and outside temperature and humidity difference and outdoor fan operation noise in summer

Features of outdoor fan chamber door

Sound proofing:
42.2db sound transmission loss occurs at frequency of 500Hz
Use of filling material for outdoor fan chamber and double blocking structure to improve soundproofing function
Condensation prevention:
Improvement of anti-condensation function by using a filling material for outdoor fan chamber
(Tested under the conditions of constant temperature and humidity room 22 ℃, humidity 66%, low temperature room -15 ℃)
Insulation function:
Thermal transmittance rate 1.61W / (㎡k), Thermal transmittance resistance 0.62 ㎡ kw
Air tightness:
KS F 3109 Air tightness grade 2 (highest among 2, 8, 30, 120 grades)

Usage of outdoor fan chamber door

APT, Officetel outdoor fan chamber
Machine room and air conditioning chamber
A household entrance door where outside environment is poor such as coast etc.
Other places where soundproofing, wind-proofing, insulation, and condensation prevention are required

Outdoor fan chamber door drawing