How to deal with LOOSE, NOISY, and SQUEAKY FLOOR?
2023-01-11 16:56:34
2022-09-06 10:34:35
2022-09-06 10:30:49
2023-02-15 10:13:32
People who overvalue privacy may find creaky floors reassuring, because creaks prevent anyone from sneaking around the house -- but most people just find them annoying. Hardwood, engineered and laminate floors can all creak, and the problem can often be traced to the subfloor, but not always. Many times it's the flooring installer's fault, and sometimes it's just the weather. Excessive moisture or dryness can shrink and swell boards and make them squeak.
What's the Cracking?
Creaking, popping and snapping sounds can emanate from a hardwood floor that has been nailed to a wood subfloor as well as one that has been glued to concrete. In either case, strategies for eliminating the noise exist, but they don't always work.
Creaky Subfloor
You can usually distinguish a loose subfloor by the persistent creaking it makes when you walk around on a certain part of the floor. The creaks mean the subfloor has lifted off the floor joists, and that could be because the builders used particleboard instead of plywood or high-grade OSB. Another reason for lifting subfloors is the failure to attach them properly. Instead of spreading adhesive on the joists and affixing the subfloor with screws, many builders save time by simply nailing the subfloor with a nail gun -- and nails often miss their mark.
Lifting Floorboards
If the squeaking is confined to a particular floorboard, or it affects many floorboards, the subfloor may again be to blame. Flooring cleats often back out of particleboard and low-grade OSB subfloors, and when a board lifts, it rubs against its neighbor when you walk on it. If boards are lifting, the cause may also be that the installer used an insufficient number of nails. On the other hand, the installer may have installed the boards correctly but may have forgotten to acclimate them, and the boards may have swelled or shrunk after installation.
Squeaking Laminate Planks
When laminate flooring planks squeak, the cause may lie in the subfloor -- but it's never a question of improper nailing of the planks, because they aren't nailed. If the subfloor wasn't leveled properly, boards can bend and squeak when you walk on them. Moreover, laminate floorboards are susceptible to swelling and shrinking in changing humidity -- perhaps even more than nail-down flooring boards. When the underside of a plank gets wet, swells and pushes against its neighbor, the locking mechanism weakens, allowing the boards to move instead of staying locked against each other. The squeaking often continues even if the planks dry out and shrink back to their normal dimensions.
What Causes a Creaking & Popping Noise in Floors?
Nail-Down Floors
Squeaks and creaks in a nail-down floor usually come from the nails; a board pops loose and the nails rub against the subfloor when you walk on it. You can fix this by driving screws from underneath to anchor the loose boards. A more serious cause of creaking is wood movement, which can be a problem if you install the floor without acclimating it or without a moisture barrier. Spacing nails too closely can also create squeaks. These problems require partial or full replacement of the floor.
Glue-Down Floors
When you glue a hardwood floor to concrete, the subfloor must be completely level. If there are voids, the boards can flex into them and make creaking sounds as they rub together. You may be able to stop creaking by injecting epoxy through a small hole in the board that's directly over a void. This doesn't work for large depressions, however, and when it doesn't work, you'll probably have to remove the squeaky boards, level the subfloor and lay new boards.
How to Stop the Flooring Creaking/ Popping Noise/ Squeaking?
You can often remedy squeaking caused by lifting floorboards or swelling laminate planks by dusting the floor with talcum powder and brushing it into the joints. The powder lubricates the edges of the boards and stops the squeaking temporarily -- you'll have to repeat the treatment periodically to control squeaking. You can also choose to screw down lifting nail-down boards, either from above -- using trim or breakaway screws -- or from under the floor, using short screws that won't break the surface of the floor. One way to stop subfloor squeaks is to insert shims into gaps between the subfloor and the floor joists. Another way is to drive screws into the joists from above to hold the subfloor down.
What caused Buckling and Cupping on flooring, and how to deal with it?
Main Reasons And Solve Measures For Creak/ Split/ Break/ Fissure Problems On The Flooring.
How to prevent, control, or repair mold/mildew floor?
Exposed to moisture for an extended period of time, bamboo flooring products can absorb moisture and weaken. Because bamboo is grass, the grain runs the length of the board. Inferior or inappropriate bamboo selection, the use of bamboo that is either harvested too young or not properly dried can be prone to changes in temperature and humidity. This can lead to cupping, warping and swelling of the material. Reason 1. Uneven distribution of floor moisture content 2. The floor is slotted on one side and not slotted on the other. The two sides of the floor are not the same as the air contact area, and the degree of water absorption is different, resulting in different moisture content on both sides of the floor. In the case of high air humidity, there is less water in the air without the slotting side, and the side of the back slot absorbs more water in the air, expanding the face surface of the back slot, but the surface of the plane does not expand, so the floor will bend like that of the plane. In the case of air drying, on the contrary, the board will bend like a slotted side. ▶▶ Solutions 1. In production: When health balance, drying should not be too fast, drying kiln to keep the temperature uniform; Try to make sure that both sides of the floor have the same texture 2. How to avoid before installation Proper expansion joints reserved for paving 3. After installation Because the weather humidity changes with the season, you can see if the floor will recover in a few months. If it is still tile, you can only replace the floor
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QUALITY CONTROL STANDARD-WOOD PLASTIC COMPOSITE FLOORING OUTDOOR SCOPE This standard specifies the requirements of WPC floor for export, test methods, inspection rules and packaging, transportation and storage requirements. TECHNICAL REQUIREMENTS Size And Deviation Length 0~+10mm, Negative tolerance is not allowed Width ±1mm, the difference between the maximum and minimum values ≤3 mm Thickness thickness＜25mm， ±0.5mm thickness≥25mm，±1.0mm Tolerance on wall thickness ±0.5mm Structure wood plastic composite Bevel need negotiation by the Customer and factory Straight Angle ≤ 0.30mm Straightness ≤ 1.0mm Model of click should be the same as the confirmed steel model Note: No tongue WPC flooring does not required height difference and gap; If have tongue and groove, the width of tongue should be more than 3mm. For wpc flooring, the weight should be more than 95% of WPC weight which two parts agreed. WPC Flooring Appearance & Quality Requirements In addition to the design effect, the color should be uniform, the surface is flat, no scratch, no obvious concave and convex, the impurity, the end should be straight, no burr. Item Superior product Qualified product Color unmatching It is allowed if not too obvious Surface unevenness Not allowed It is allowed if not too obvious Split, crack Not allowed Spots,dirt and similar surface defects ≤4mm², allowable amount is 1pc/m ≤4mm², allowable amount is 3pcs/m Blister Not allowed Bubble Not allowed Trace grain Not allowed It is allowed if not too obvious Surface granular Not allowed It is allowed if not too obvious Incomplete sander-polishing Not allowed Tongue and corner deformity Not allowed The board face concave and convex is only used for judging the plane plastic wood floor WPC Flooring Physical And Chemical Performance Requirements Test Item Test method Standard Water absorption of 24h At room temperature, the immersion time of the sample was 24h±15min ≤2.0% State after heating( 120℃) (120±2)℃，(30+3)min No bubbles, cracks, pitting Size change rate after heating(100℃) (100±2)℃，(60+3)min ±1.0% Density ≥1.2g/cm³ surface abrasion resistance 100*100*1pc sample, install it on the wear tester. When grinding wheel weight (27±2) g, width (51.4±0.6) mm, sand paper 180#0/3 condition, wear 100 turns, remove the specimen from the surface and weigh it ≤0.10g/100r Shore hardness (D type) GB/T2411 ≥60 nail-holding ability surface GB/T 17657-1999 ≥1300N side ≥1200N Four point bending strength QB/T 4161-2011 （appendix）A ≥18Mpa Four point flexural modulus of elasticity ≥1800Mpa Freeze thawing resistance 24h in room temperature water, then put in ( -29±1) ℃24h, finally put 24h in room temperature environment, then place room temperature 24h, measure bending strength load No skin, no crack, bending strength retention ≥90% degradation testing （1000h） The black label temperature is (65 + 3) C, relative humidity is (50 + 5)%, irradiance is 0.35W/m2@340nm, continuous illumination. Cycle period is 120min, where 102min does not spray water, 18min spray water, aging time is 1000h. The surface of the sample should not be seen by the naked eye, the skin or the crack, the hollow and the uneven color change. 色差color difference：ΔE≤9 Formaldehyde release GB/T17657-1999 ≤0.5mg/L 可溶性铅含量Soluble lead content QB/T 4161-2011 ≤90mg/kg 1. Not test the nail holding ability of a hollow WPC 2. Not test flexural strength and flexural modulus of elasticity when the WPC thickness over 50mm 3. Should grinding treatment of flooring surface when test degradation testing surface color change PACKING Product Mark Before the products are stored, they should be tagged in proper parts with their product models, trademarks, production dates, etc. Packing Mark The standard codes , factory name, address, product name, production date, trademarks, specifications, formaldehyde release sign, type, grade, quantity, etc. Package Should be fastened firmly, with plastic film or other soft material package, you need to use other special packing methods agreed by both sides of supply and demand. Transport It should be flat and stacked to avoid heavy pressure, rain prevention and sunscreen, light load and light load.
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