Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected × OK
Quick view Details Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected × OK
Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected × OK
Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected × OK
Quick view Grodan | sku: GR4x3S Grodan Delta 8 Block 4" x 4" x 3" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.76 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected
Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Compare Selected