Bruce Hardwood Floor Expansion Gap

The flooring manufacturer states that the installers must follow the nwfa guidelines or the warranty is void.
Bruce hardwood floor expansion gap. In most cases the perimeter expansion gap is related to the thickness of the new flooring. Whether and how many times engineered hardwood can be sanded and refinished depends on the thickness of the top layer of wood. The nwfa guidelines state no more than 2 moisture difference and expansion space 3 4 is required. Expansion gaps are spaces left around the perimeter of rooms against fixed objects such as columns thresholds hearths baseboard and other stationary items built or secured into the framing structure of the home.
What is an expansion gap. Perimeter spacing not only allows for seasonal expansion but also provides airflow. For example â thick flooring will require â expansion gap. The floor is tongue groove and i assume nail down.
This is because the hardwood flooring expansion occurs on each board. Normally a space of between 10 and 15mm it s not a huge amount of space but it s enough to help prevent problems with wood flooring when it expands and contracts. I m preparing to install bruce 3 4 pre finished nail down hickory hardwood flooring in my dining and living rooms. Positive airflow reduces the occurrence of side wicking or moisture transference to the flooring materials.
Typically the gap is about a 1 2 inch. Viewed 13k times 3. The gap between the hardwood flooring and any obstruction should be a minimum of 5 8 inch and 3 4 inch is actually better as shown in figure 2. All wood floors expand and contract so you must leave a gap around the perimeter of the room.
Do i really need an expansion gap around the entire hardwood floor. Engineered hardwood guide to choosing a hardwood floor 10 things to know about hardwood installation how to clean hardwood room inspiration guide search ahf products covid 19 update to our valued customers learn more. Even though wood flooring used is no longer living and breathing it still reacts to moisture changes in the environment. Snap a chalk line across the room at each joist marker image 2.
Ask question asked 6 years 8. The term expansion gap when used in conjunction with wood flooring refers to the space left around the edges of a room when a floor is fitted. The larger the room the larger the gap must be. Why do we need it.
Currently there is a wood transition piece between the dining room and kitchen and another similar.