![QUIKRETE 12-in W x 6-in H x 12-in L Standard Cored Concrete Block in the Concrete Blocks department at Lowes.com QUIKRETE 12-in W x 6-in H x 12-in L Standard Cored Concrete Block in the Concrete Blocks department at Lowes.com](http://mobileimages.lowes.com/productimages/44f56d2d-a6e9-41d8-b7d9-8d6abe1c9ead/00246094.jpg)
QUIKRETE 12-in W x 6-in H x 12-in L Standard Cored Concrete Block in the Concrete Blocks department at Lowes.com
![Hollow Concrete Chimney Block, 17"W x 8"H x 17" L, for 8" x 8" Flue Liner - 8030701 | Kuhlman Direct Online Store Hollow Concrete Chimney Block, 17"W x 8"H x 17" L, for 8" x 8" Flue Liner - 8030701 | Kuhlman Direct Online Store](https://shop.kuhlman-corp.com/images/products/large/8030701_2.jpg)
Hollow Concrete Chimney Block, 17"W x 8"H x 17" L, for 8" x 8" Flue Liner - 8030701 | Kuhlman Direct Online Store
![Hollow Concrete Chimney Block, 17"W x 8"H x 21" L, for 8" x 12" Flue Liner - 8030702 | Kuhlman Direct Online Store Hollow Concrete Chimney Block, 17"W x 8"H x 21" L, for 8" x 12" Flue Liner - 8030702 | Kuhlman Direct Online Store](https://shop.kuhlman-corp.com/images/products/large/8030702_3.jpg)
Hollow Concrete Chimney Block, 17"W x 8"H x 21" L, for 8" x 12" Flue Liner - 8030702 | Kuhlman Direct Online Store
![Answers to questions about resurfacing a chimney, spalling of concrete blocks, moisture through foundations, some very nice corner shelves and how to caulk a bathtub. Answers to questions about resurfacing a chimney, spalling of concrete blocks, moisture through foundations, some very nice corner shelves and how to caulk a bathtub.](http://daveosborne.com/newsletters/images/chimney.jpg)