An adhesive on the seam or crack lax: wood handrails mainly because of high moisture content, due to shrinkage when installing handrails material after installation. After entering the armrest material should be stored in dry and ventilated library forbidden installed in damp conditions.
2 then hew uneven: the main handrail slotted bottom depth is inconsistent, uneven pieces railing flat or fixed positive impact on the armrest then hew ride quality.
3 uneven color: mainly caused by improper choice of materials.
4 Nuts uneven: mainly improper angle drilling, drilling and construction should be directed perpendicular to the flat iron or fasteners.
Xinli Stair >> Stairs Knowledge >> Installing stair handrail should be noted that the quality of