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A230400 Knock Down Roof Anchor (12 Pack)

Werner disposable roof anchors are convenient and easy to install. When the job is complete, simply knock down or shingle over the anchor point. Fits any roof pitch. Comes with fasteners included.


  • Convenient and disposable. Knock down the anchor point when the job is complete and shingle over
  • Fits any roof pitch
  • Comes with fastners included
  • Use only 16d nails to install the anchor (5 per leg into the rafters and sheathing). Install all 10 nails.

Package Contents

Part NumberDescription


FeatureSize / Details
Application (General (all purpose), Steel, Concrete, Roof)Roof
Approx. Shipping Weight Lbs.0.75

Different types of ladders are designed to keep you safe and productive when climbing or standing. Using the wrong style of ladder or simply ignoring the limitations of climbing equipment can result in a fall or serious injury.
Height is referring to the actual ladder height. Extension ladders should be 7 to 10 feet longer than the highest support or contact point, which may be the wall or roof line. The highest standing level is four rungs down from the top. The highest permitted standing level on a stepladder is two steps down from the top.

Reach height is the maximum reach assuming a 5’6” person with a vertical 12” reach.
Ladders are designed to safely hold up to a specific amount of weight. The Werner Performance System defines five different capacities using a color and star rating system. The Duty Rating is defined as the maximum safe load capacity of the ladder. A person’s fully clothed weight plus the weight of any tools and materials that are carried onto the ladder must be less than the load capacity.

Werner offers ladder made from fiberglass and aluminum. Each material has characteristics which make it best for certain applications, or one material may simply fit the personal preferences of the user. For example, if working around electricity users should select fiberglass products due to their non-conductive side rails.