UPOL B FIBREGLASS BRIDGING COMPOUND 1.85Le With BPO 2 Hardeners & 1 SpreaderModel No. UPOLB/4U-POL B Fibreglass Bridging Compound 1.85L With 2 Hardeners & Spreader UPOLB/4- A strong polyester glass fibre filler that can be easily shaped and sanded once cured. - Suitable for bridging holes and rust in steel and GRP surfaces. - Excellent gap filling properties. - Water resistant when fully cured. - Easy to cover with standard polyester filler. - Ideal for bridging holes in panel damage.Includes 2 hardeners and spreader