DOWNLOAD OUR WHITEPAPER (=TECHNICAL DOCUMENTATION INCLUDING CERTIFICATES AND INTRODUCTION TO METHODS AND CONCEPTS) FOR SOUND INSULATION DESIGNED BY OUR IN-HOUSE CIVIL ENGINEER IN CONSTRUCTION, EIVIND LYGREN, HERE >>
Eivind Lygren, civil engineer construction
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NEW! Specially produced U-boats for Norwegian pole dimensions are finally available from DreamScreen! The 49mm width allows for the use of both 48x48mm and 48x36mm floor studs. You can also use 48x30mm, but then the U-boats should be placed even closer together, like every 20 cm instead of every 30 cm. The price is per piece, but you get a discount when you buy 100 pieces or more.
Calculate 10pcs U-boats per sqm floor for 48×48 and 48×36 bars or 15pcs U-boats per sqm floor for 48×30 bars.
Information from the manufacturer
If you are looking for the best possible noise-reduction from your cinema-room there is simply no way around decoupling the floor, walls and ceiling. If you decouple, the sound is unable to travel as easily through the construction, reducing ambient noise very effeciently.
You need about 10 U-boats per square meter floorspace when using 48x48mm or 48x36mm studs. You can also use even more shallow studs, such as 48x30mm, but in such case we recommend using 15 U-boats per square meter, or every 20cm instead of every 30cm.
Installing the U-boats
There are lot of alternative methods on decoupling your floor. Rubber U´s, however, has proven very functional both in terms of decoupling-effeciency but also in regards to easy and comprehensible installation. This method is popular in both professional studios and home cinemas. These U-boats allow you to place 48x48mm studs or alternatively 48x36mm studs if you´d like to save some height directly on the sub-floor. You can also use 48x30mm studs, but in such case we recommend increasing the number of U-boats from 1 per 30cm to 1 per 20cm.
There should be a maximum of 30cm between each U-boat and also maximum 30cm between each row of U-boats using 48x48mm or 48x36mm studs. If you use 48x30mm studs we recommend using one U-boat every 20cm.
Every two meters or so, we recommend connecting the rows using a short stud. You only need to place U-boats on every second connecting stud. We also recommend using some form of insulation, and last you screw plus glue the floorboards to the studs, either in one or two layers.
Please remember to never allow the floorboards to touch the surrounding walls as this would reduce the effeciency of the decoupling significantly. We recommend that you leave about 2-3mm and GreenGlue Sealant to cover the gap.
Dimensions of the clip is 61x38mm (width / height). The inner section is 49mm allowing for some flexibility using a 48mm stud. The bottom rubber section builds 10mm from the sub-flooring.
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