Underlay

allpondsolutions Pond Underlay White Thick Pond Liner Underlay 5x2m – Rot, Tear & Puncture Resistant

MYPURECORE 50gsm Pond Liner Underlay 3m x 5m - Tear-Resistant, Durable Garden Pool Foundation - Perfect for Wildlife and Decorative Ponds

Bradshaws Direct Aquatic Pond Underlay 5m x 2m Sheet (10 sq.m) for use with pond liner.

MYPURECORE 50gsm Pond Liner Underlay 3m x 3m - Tear-Resistant, Durable Garden Pool Foundation - Perfect for Wildlife and Decorative Ponds

Geotextile Underlay for Garden Ponds (7m2)

Swell 4 x 3m Pond Liner and Free Underlay | Ideal for Koi & Fish Pools Fountains and Streams | Flexible & Impermeable for Reinforced Durable Landscaping | Heavy Duty HDPE - 40 Year Guarantee

Swell UK 2.5m x 2.5m Pond Liner Free Underlay | UV Resistant | Garden Fish Ponds

Gordon Low Pond Grade Underlay 2 x 5m Pack

Pisces Prolene Garden Pond Underlay Liner 2m x 1m

Bradshaws Polyfibrelay Aquatic Underlay 8m x 2m Sheet (16 sq.m) for use with pond liner.