En / as/ UL Tested Automatic Door Bottom Seal Door Drop Down Acoustic Seal Door Sweep Seal

Product DescriptionThe Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A heavy duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors. It operates automatically by a spring loaded mechanism which lifts the seal clear of the floor as soon as the door is opened. The sealing gap in 3mm-13mm.Product NameAcoustic Door Drop SealMaterial Aluminium Alloy + EPDM Rubber SealDimension(mm)14x34Gap(mm)Min. 3 mm / max. 13 mmStandard Length (mm)600mm,820mm,920mm,1070mm, 1220mmSeal ColorBlack,GreyFixingConcealed,with supporting stainless steel escutcheon platesCutting Back Length   Seal LengthCuts back to1220mm1070mm1070mm920mm920mm820mm820mm600mm600mm380mm380mm295mmConstruction DrawingsAccessories Package and deliveryOur companyOur factory established in 2005 in Hebei Province China.Hangzhou Biyou Building Materials Technoloy Co.,Ltd is the sole International Sales office .We are dedicated to delivering one stop protection to fire,smoke&acoustic,draught seal.We have achieved the leading advantages by implementing the strategies. FAQQ1. Are you a manufacturer or trading company?A1:We are an International trading company also is a professional door and windows seal,fire and acoustic seal products manufacturer with more than 20 years experience for domestic and International market.Q2. What is payment method?A2: For samples: T/T, western union.For orders: We prefer T/T, other ways should be confirmed first. For new customer,30% advanced payment before producing ,70% before delivering usually.Q3. Do you offer free samples?A3: Free samples are available .Q4. Do you offer OEM service and can you product as our drawings?A4: Yes, we can customize according to your drawing or make drawing according to sample as your requirement.Q5. Do you accept our design on boxes?A5: Yes. We accept.Q6. What's your delivery time?A6: Generally, we will arrange shipment within 7-30 days after receiving the deposit and according to your purchasing quantities .Q7. How do you control the quality?A7: We will arrange sample confirmation before production if you need . During the production, we have professional QC staffs control the quality and manufacture in accordance to your confirmed samples. Welcome your visit to factory.  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1