diff --git a/modules/medianetBidAdapter.js b/modules/medianetBidAdapter.js
index a2dc8bdfd03..1a4269a8a1d 100644
--- a/modules/medianetBidAdapter.js
+++ b/modules/medianetBidAdapter.js
@@ -221,10 +221,39 @@ function slotParams(bidRequest) {
   } else {
     params.ext.visibility = SLOT_VISIBILITY.NOT_DETERMINED;
   }
+  const floorInfo = getBidFloorByType(bidRequest);
+  if (floorInfo && floorInfo.length > 0) {
+    params.bidfloors = floorInfo;
+  }
 
   return params;
 }
 
+function getBidFloorByType(bidRequest) {
+  let floorInfo = [];
+  if (typeof bidRequest.getFloor === 'function') {
+    [BANNER, VIDEO, NATIVE].forEach(mediaType => {
+      if (bidRequest.mediaTypes.hasOwnProperty(mediaType)) {
+        if (mediaType == BANNER) {
+          bidRequest.mediaTypes.banner.sizes.forEach(
+            size => {
+              setFloorInfo(bidRequest, mediaType, size, floorInfo)
+            }
+          )
+        } else {
+          setFloorInfo(bidRequest, mediaType, '*', floorInfo)
+        }
+      }
+    });
+  }
+  return floorInfo;
+}
+function setFloorInfo(bidRequest, mediaType, size, floorInfo) {
+  let floor = bidRequest.getFloor({currency: 'USD', mediaType: mediaType, size: size});
+  if (size.length > 1) floor.size = size;
+  floor.mediaType = mediaType;
+  floorInfo.push(floor);
+}
 function getMinSize(sizes) {
   return sizes.reduce((min, size) => size.h * size.w < min.h * min.w ? size : min);
 }
diff --git a/test/spec/modules/medianetBidAdapter_spec.js b/test/spec/modules/medianetBidAdapter_spec.js
index 1eeb167601e..adb9663ba7c 100644
--- a/test/spec/modules/medianetBidAdapter_spec.js
+++ b/test/spec/modules/medianetBidAdapter_spec.js
@@ -1446,4 +1446,45 @@ describe('Media.net bid adapter', function () {
     let bids = spec.interpretResponse(SERVER_VIDEO_OUTSTREAM_RESPONSE_VALID_BID, []);
     expect(bids[0].context).to.equal('outstream');
   });
+  describe('buildRequests floor tests', function () {
+    let floor;
+    let getFloor = function(req) {
+      return floor[req.mediaType];
+    };
+    beforeEach(function () {
+      floor = {
+        'banner': {
+          'currency': 'USD',
+          'floor': 1
+        }
+      };
+      $$PREBID_GLOBAL$$.medianetGlobals = {};
+
+      let documentStub = sandbox.stub(document, 'getElementById');
+      let boundingRect = {
+        top: 50,
+        left: 50,
+        bottom: 100,
+        right: 100
+      };
+      documentStub.withArgs('div-gpt-ad-1460505748561-123').returns({
+        getBoundingClientRect: () => boundingRect
+      });
+      documentStub.withArgs('div-gpt-ad-1460505748561-0').returns({
+        getBoundingClientRect: () => boundingRect
+      });
+      let windowSizeStub = sandbox.stub(spec, 'getWindowSize');
+      windowSizeStub.returns({
+        w: 1000,
+        h: 1000
+      });
+      VALID_BID_REQUEST[0].getFloor = getFloor;
+    });
+
+    it('should build valid payload with floor', function () {
+      let requestObj = spec.buildRequests(VALID_BID_REQUEST, VALID_AUCTIONDATA);
+      requestObj = JSON.parse(requestObj.data);
+      expect(requestObj.imp[0].hasOwnProperty('bidfloors')).to.equal(true);
+    });
+  });
 });