BS EN 13629:2020 pdf free download – Wood flooring一Solid individual and pre-assembled hardwood boards.
4.5.2.2 Squareness and other angular deviations
The deviation from all the 900 angles and from required angles for specific patterns shall not exceed 0,2 % measured across the width.
4.5.2.3 Bow
Bow shall be evaluated taking into account the thickness, the length, the species and the method of laying. If the elements are to be installed by gluing only, this shall be stated when ordering. For such elements, bow shall not exceed 0,5 % of the length at the time of the first delivery.
4.5.2.4 Spring
Spring shall be evaluated taking into account the thickness, the length, the species and the method of laying.
For lengths not exceeding 1 m, spring shall not exceed 0,5 %o of the considered length at the time of the first delivery.
For lengths more than 1 m, spring shall not exceed 2 %o of the considered length at the time of the first delivery.
If the elements are to be installed by gluing only, this shall be stated when ordering. For such elements, spring shall not exceed 1 %o of the length at the time of the first delivery.
4.5.2.2 Squareness and other angular deviations
The deviation from all the 900 angles and from required angles for specific patterns shall not exceed 0,2 % measured across the width.
4.5.2.3 Bow
Bow shall be evaluated taking into account the thickness, the length, the species and the method of laying.
If the elements are to be installed by gluing only, this shall be stated when ordering. For such elements, bow shall not exceed 0,5 % of the length at the time of the first delivery.
4.5.2.4 Spring
Spring shall be evaluated taking into account the thickness, the length, the species and the method of laying.
For lengths not exceeding 1 m, spring shall not exceed 0,5 %o of the considered length at the time of the first delivery.
For lengths more than 1 m, spring shall not exceed 2 %o of the considered length at the time of the first delivery.
If the elements are to be installed by gluing only, this shall be stated when ordering. For such elements, spring shall not exceed 1 %o of the length at the time of the first delivery.
4.5.3 Machining
All pieces shall be accurately machined and shall be smoothly finished on the face on boards without surface treatment. Slightly torn grain or similar feature is admissible if it can readily be removed by the ordinary process of sanding the floor after it has been laid in preparation for finishing.
4.5.4 ProfIle
The element shall be precisely machined, properly sanded and shall have tongue and/or groove on all sides to make an effective laying possible.
4.6 Characteristics required when in service
4.6.1 General
Typical values for wood hardness shall be determined by the test defined in EN 1534. The laying instructions shall be supplied by the producer/supplier.
NOTE The elements specified in this document will be part of a total floor construction and can only meet the technical demands on the wood flooring when in service if specified and installed according to the laying instructions or usual specifications.