What are the challenges of maintaining tension in canvas outdoor bench sling designs?
Maintaining tension in canvas outdoor bench sling designs presents several challenges that impact both functionality and longevity. One primary issue is material stretch; canvas can loosen over time due to constant weight and environmental exposure, requiring frequent adjustments. Weather conditions like humidity and temperature fluctuations further exacerbate this problem, causing the fabric to expand or contract unpredictably. Additionally, the frame's structural integrity must withstand prolonged stress to prevent sagging or misalignment. UV exposure and moisture also degrade the fabric, reducing its elasticity and tension-holding capacity. Addressing these challenges involves selecting high-quality, weather-resistant materials and robust frame designs to ensure lasting performance.